Download COMODO Cloud Antivirus 1.21 – Free Cloud-Based Antivirus for Windows

COMODO Cloud Antivirus 1.21 is a free, lightweight antivirus solution for Windows that combines cloud-based threat detection with COMODO’s proven security technology. By offloading the heavy lifting of malware analysis to the cloud, it delivers fast, accurate protection against viruses, malware, ransomware, and zero-day threats without putting a heavy burden on your system resources.

One of COMODO’s signature strengths is its Default Deny approach — unknown files are automatically sandboxed and run in an isolated environment until they are verified as safe, preventing untrusted programs from damaging your system even if they are not yet in the threat database.

COMODO Cloud Antivirus 1.21 is ideal for users who want enterprise-grade security technology in a free, easy-to-use package. It offers real-time protection, automatic updates, and a clean interface that requires minimal configuration.

Key Features

• Cloud-powered malware detection for fast identification of new and zero-day threats
• Default Deny technology — unknown files are auto-sandboxed before they can cause harm
• Real-time protection against viruses, malware, ransomware, and spyware
• Automatic cloud updates ensure the latest threat definitions are always active
• Lightweight engine with minimal impact on system performance
• Simple, clean interface with one-click scanning
• Free for personal use with no subscription required

How to Install

1. Click the download button above to save the COMODO Cloud Antivirus 1.21 installer to your computer.
2. Run the setup file and follow the installation wizard to complete installation.
3. Launch COMODO Cloud Antivirus and allow it to update its cloud threat database.
4. The real-time protection shield will activate automatically to protect your system.
5. Click Scan to run a full system scan and verify your PC is clean.